Plastic cup



FIG. 1 is a front, bottom, perspective view of the plastic cup, showing a typical embodiment of my new design.

FIG. 2 is a side elevational view of the plastic cup showing a typical embodiment of the new design.

FIG. 3 is a bottom plan view of the plastic cup; and,

FIG. 4 is a top plan view of the plastic cup. 

The ornamental design for a plastic cup, as shown and described. 